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Date:      Tue, 21 Sep 1999 01:16:13 +0000
From:      Brian Tan <brian@sys.com.sg>
To:        "Rodney W. Grimes" <rgrimes@gndrsh.dnsmgr.net>
Cc:        Henk van Oers <hvoers@anp.nl>, freebsd-ipfw@FreeBSD.ORG
Subject:   Re: what is 'ICMP:3.13' ?
Message-ID:  <37E6DC5D.B56FBF58@sys.com.sg>
References:  <199909200844.BAA58278@gndrsh.dnsmgr.net>

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"Rodney W. Grimes" wrote:
> 
> ...
> > > > Got any Ciscos around???
> > > >
> >
> > I had to deny P:54 packets from one of our (external) ftp clients.
> > There are no #54 entries in the /etc/protocols I use (HP, Sun, QNX,
> > FreeBSD) Has anyone seen this before?
> 
> Have you heard of IANA?  The official location of documenting these
> numbers.  And your FreeBSD must be a bit old.  My 3.2 source tree
> has 54 in /etc/protocols:
> narp    54      NARP            # NBMA Address Resolution Protocol
> 
> --
> Rod Grimes - KD7CAX - (RWG25)                    rgrimes@gndrsh.dnsmgr.net

My 3.2 /etc/protocols does not have P:9 nor P:54

Brian
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#
# Internet (IP) protocols
#
#	$Id: protocols,v 1.10 1998/02/13 20:21:04 julian Exp $
#	from: @(#)protocols	5.1 (Berkeley) 4/17/89
#
# See also http://www.iana.org/in-notes/iana/assignments/protocol-numbers
#
ip	0	IP		# internet protocol, pseudo protocol number
#hopopt	0	HOPOPT		# hop-by-hop options for ipv6
icmp	1	ICMP		# internet control message protocol
igmp	2	IGMP		# Internet Group Management
ggp	3	GGP		# gateway-gateway protocol
ipencap	4	IP-ENCAP	# IP encapsulated in IP (officially ``IP'')
st	5	ST		# ST datagram mode
tcp	6	TCP		# transmission control protocol
egp	8	EGP		# exterior gateway protocol
pup	12	PUP		# PARC universal packet protocol
udp	17	UDP		# user datagram protocol
hmp	20	HMP		# host monitoring protocol
xns-idp	22	XNS-IDP		# Xerox NS IDP
rdp	27	RDP		# "reliable datagram" protocol
iso-tp4	29	ISO-TP4		# ISO Transport Protocol class 4
xtp	36	XTP		# Xpress Tranfer Protocol
idpr-cmtp	39	IDPR-CMTP	# IDPR Control Message Transport
ipv6	41	IPV6		# ipv6
ipv6-route	43	IPV6-ROUTE	# routing header for ipv6
ipv6-frag	44	IPV6-FRAG	# fragment header for ipv6
rsvp	46	RSVP		# Resource ReSerVation Protocol
gre	47	GRE		# Generic Routing Encapsulation (RFC 1702)      
esp	50	ESP		# encapsulating security payload
ah	51	AH		# authentication header
skip	57	SKIP		# SKIP 
ipv6-icmp	58	IPV6-ICMP	# ICMP for IPv6
ipv6-nonxt	59	IPV6-NONXT	# no next header for ipv6
ipv6-opts	60	IPV6-OPTS	# destination options for ipv6
vmtp	81	VMTP		# Versatile Message Transport
ospf	89	OSPFIGP		# Open Shortest Path First IGP
ipip	94	IPIP		# Yet Another IP encapsulation
encap	98	ENCAP		# Yet Another IP encapsulation
divert	254	DIVERT		# Divert pseudo-protocol

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